diff options
author | rpaulo <rpaulo@FreeBSD.org> | 2010-06-25 15:32:46 +0000 |
---|---|---|
committer | rpaulo <rpaulo@FreeBSD.org> | 2010-06-25 15:32:46 +0000 |
commit | 5bba5f6503d7282d131c0cd1df466f6ad6c75575 (patch) | |
tree | 7e360922137f8d13ae36cc61ab9383a5968e59bf /sys/dev/acpi_support | |
parent | 28ebaa4671467899a9acbfb54616c310a135af30 (diff) | |
download | FreeBSD-src-5bba5f6503d7282d131c0cd1df466f6ad6c75575.zip FreeBSD-src-5bba5f6503d7282d131c0cd1df466f6ad6c75575.tar.gz |
Import the acpi_aibs(4) driver written by Constantine A. Murenin.
It has more features than acpi_aiboost(4) and it will eventually replace
acpi_aiboost(4).
Submitted by: Constantine A. Murenin <cnst at FreeBSD.org>
Reviewed by: freebsd-acpi, imp
MFC after: 1 month
Diffstat (limited to 'sys/dev/acpi_support')
-rw-r--r-- | sys/dev/acpi_support/atk0110.c | 358 |
1 files changed, 358 insertions, 0 deletions
diff --git a/sys/dev/acpi_support/atk0110.c b/sys/dev/acpi_support/atk0110.c new file mode 100644 index 0000000..4e33c25e --- /dev/null +++ b/sys/dev/acpi_support/atk0110.c @@ -0,0 +1,358 @@ +/* $NetBSD: atk0110.c,v 1.4 2010/02/11 06:54:57 cnst Exp $ */ +/* $OpenBSD: atk0110.c,v 1.1 2009/07/23 01:38:16 cnst Exp $ */ + +/* + * Copyright (c) 2009, 2010 Constantine A. Murenin <cnst++@FreeBSD.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <machine/_inttypes.h> +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/bus.h> +#include <sys/module.h> +#include <sys/malloc.h> +#include <sys/sysctl.h> + +#include <contrib/dev/acpica/include/acpi.h> +#include <dev/acpica/acpivar.h> + +/* + * ASUSTeK AI Booster (ACPI ASOC ATK0110). + * + * This code was originally written for OpenBSD after the techniques + * described in the Linux's asus_atk0110.c and FreeBSD's Takanori Watanabe's + * acpi_aiboost.c were verified to be accurate on the actual hardware kindly + * provided by Sam Fourman Jr. It was subsequently ported from OpenBSD to + * DragonFly BSD, to NetBSD's sysmon_envsys(9) and to FreeBSD's sysctl(9). + * + * -- Constantine A. Murenin <http://cnst.su/> + */ + +#define _COMPONENT ACPI_OEM +ACPI_MODULE_NAME("aibs"); +ACPI_SERIAL_DECL(aibs, "aibs"); + +#define AIBS_MORE_SENSORS +#define AIBS_VERBOSE + +enum aibs_type { + AIBS_VOLT, + AIBS_TEMP, + AIBS_FAN +}; + +struct aibs_sensor { + ACPI_INTEGER v; + ACPI_INTEGER i; + ACPI_INTEGER l; + ACPI_INTEGER h; + enum aibs_type t; +}; + +struct aibs_softc { + struct device *sc_dev; + ACPI_HANDLE sc_ah; + + struct aibs_sensor *sc_asens_volt; + struct aibs_sensor *sc_asens_temp; + struct aibs_sensor *sc_asens_fan; +}; + +static int aibs_probe(device_t); +static int aibs_attach(device_t); +static int aibs_detach(device_t); +static int aibs_sysctl(SYSCTL_HANDLER_ARGS); + +static void aibs_attach_sif(struct aibs_softc *, enum aibs_type); + +static device_method_t aibs_methods[] = { + DEVMETHOD(device_probe, aibs_probe), + DEVMETHOD(device_attach, aibs_attach), + DEVMETHOD(device_detach, aibs_detach), + { NULL, NULL } +}; + +static driver_t aibs_driver = { + "aibs", + aibs_methods, + sizeof(struct aibs_softc) +}; + +static devclass_t aibs_devclass; + +DRIVER_MODULE(aibs, acpi, aibs_driver, aibs_devclass, NULL, NULL); + + +static char* aibs_hids[] = { + "ATK0110", + NULL +}; + +static int +aibs_probe(device_t dev) +{ + if (acpi_disabled("aibs") || + ACPI_ID_PROBE(device_get_parent(dev), dev, aibs_hids) == NULL) + return ENXIO; + + device_set_desc(dev, "ASUSTeK AI Booster (ACPI ASOC ATK0110)"); + return 0; +} + +static int +aibs_attach(device_t dev) +{ + struct aibs_softc *sc = device_get_softc(dev); + + sc->sc_dev = dev; + sc->sc_ah = acpi_get_handle(dev); + + aibs_attach_sif(sc, AIBS_VOLT); + aibs_attach_sif(sc, AIBS_TEMP); + aibs_attach_sif(sc, AIBS_FAN); + + return 0; +} + +static void +aibs_attach_sif(struct aibs_softc *sc, enum aibs_type st) +{ + ACPI_STATUS s; + ACPI_BUFFER b; + ACPI_OBJECT *bp, *o; + int i, n; + const char *node; + char name[] = "?SIF"; + struct aibs_sensor *as; + struct sysctl_oid *so; + + switch (st) { + case AIBS_VOLT: + node = "volt"; + name[0] = 'V'; + break; + case AIBS_TEMP: + node = "temp"; + name[0] = 'T'; + break; + case AIBS_FAN: + node = "fan"; + name[0] = 'F'; + break; + default: + return; + } + + b.Length = ACPI_ALLOCATE_BUFFER; + s = AcpiEvaluateObjectTyped(sc->sc_ah, name, NULL, &b, + ACPI_TYPE_PACKAGE); + if (ACPI_FAILURE(s)) { + device_printf(sc->sc_dev, "%s not found\n", name); + return; + } + + bp = b.Pointer; + o = bp->Package.Elements; + if (o[0].Type != ACPI_TYPE_INTEGER) { + device_printf(sc->sc_dev, "%s[0]: invalid type\n", name); + AcpiOsFree(b.Pointer); + return; + } + + n = o[0].Integer.Value; + if (bp->Package.Count - 1 < n) { + device_printf(sc->sc_dev, "%s: invalid package\n", name); + AcpiOsFree(b.Pointer); + return; + } else if (bp->Package.Count - 1 > n) { + int on = n; + +#ifdef AIBS_MORE_SENSORS + n = bp->Package.Count - 1; +#endif + device_printf(sc->sc_dev, "%s: malformed package: %i/%i" + ", assume %i\n", name, on, bp->Package.Count - 1, n); + } + if (n < 1) { + device_printf(sc->sc_dev, "%s: no members in the package\n", + name); + AcpiOsFree(b.Pointer); + return; + } + + as = malloc(sizeof(*as) * n, M_DEVBUF, M_NOWAIT | M_ZERO); + if (as == NULL) { + device_printf(sc->sc_dev, "%s: malloc fail\n", name); + AcpiOsFree(b.Pointer); + return; + } + switch (st) { + case AIBS_VOLT: + sc->sc_asens_volt = as; + break; + case AIBS_TEMP: + sc->sc_asens_temp = as; + break; + case AIBS_FAN: + sc->sc_asens_fan = as; + break; + } + + /* sysctl subtree for sensors of this type */ + so = SYSCTL_ADD_NODE(device_get_sysctl_ctx(sc->sc_dev), + SYSCTL_CHILDREN(device_get_sysctl_tree(sc->sc_dev)), st, + node, CTLFLAG_RD, NULL, NULL); + + for (i = 0, o++; i < n; i++, o++) { + ACPI_OBJECT *oi; + char si[3]; + const char *desc; + + /* acpica5 automatically evaluates the referenced package */ + if (o[0].Type != ACPI_TYPE_PACKAGE) { + device_printf(sc->sc_dev, + "%s: %i: not a package: %i type\n", + name, i, o[0].Type); + continue; + } + oi = o[0].Package.Elements; + if (o[0].Package.Count != 5 || + oi[0].Type != ACPI_TYPE_INTEGER || + oi[1].Type != ACPI_TYPE_STRING || + oi[2].Type != ACPI_TYPE_INTEGER || + oi[3].Type != ACPI_TYPE_INTEGER || + oi[4].Type != ACPI_TYPE_INTEGER) { + device_printf(sc->sc_dev, + "%s: %i: invalid package\n", + name, i); + continue; + } + as[i].i = oi[0].Integer.Value; + desc = oi[1].String.Pointer; + as[i].l = oi[2].Integer.Value; + as[i].h = oi[3].Integer.Value; + as[i].t = st; +#ifdef AIBS_VERBOSE + device_printf(sc->sc_dev, "%c%i: " + "0x%08"PRIx64" %20s %5"PRIi64" / %5"PRIi64" " + "0x%"PRIx64"\n", + name[0], i, + as[i].i, desc, (int64_t)as[i].l, (int64_t)as[i].h, + oi[4].Integer.Value); +#endif + snprintf(si, sizeof(si), "%i", i); + SYSCTL_ADD_PROC(device_get_sysctl_ctx(sc->sc_dev), + SYSCTL_CHILDREN(so), i, si, CTLTYPE_OPAQUE | CTLFLAG_RD, + sc, st, aibs_sysctl, st == AIBS_TEMP ? "IK" : "I", desc); + } + + AcpiOsFree(b.Pointer); +} + +static int +aibs_detach(device_t dev) +{ + struct aibs_softc *sc = device_get_softc(dev); + + if (sc->sc_asens_volt != NULL) + free(sc->sc_asens_volt, M_DEVBUF); + if (sc->sc_asens_temp != NULL) + free(sc->sc_asens_temp, M_DEVBUF); + if (sc->sc_asens_fan != NULL) + free(sc->sc_asens_fan, M_DEVBUF); + return 0; +} + +#ifdef AIBS_VERBOSE +#define ddevice_printf(x...) device_printf(x) +#else +#define ddevice_printf(x...) +#endif + +static int +aibs_sysctl(SYSCTL_HANDLER_ARGS) +{ + struct aibs_softc *sc = arg1; + enum aibs_type st = arg2; + int i = oidp->oid_number; + ACPI_STATUS rs; + ACPI_OBJECT p, *bp; + ACPI_OBJECT_LIST mp; + ACPI_BUFFER b; + char *name; + struct aibs_sensor *as; + ACPI_INTEGER v, l, h; + int so[3]; + + switch (st) { + case AIBS_VOLT: + name = "RVLT"; + as = sc->sc_asens_volt; + break; + case AIBS_TEMP: + name = "RTMP"; + as = sc->sc_asens_temp; + break; + case AIBS_FAN: + name = "RFAN"; + as = sc->sc_asens_fan; + break; + default: + return ENOENT; + } + if (as == NULL) + return ENOENT; + l = as[i].l; + h = as[i].h; + p.Type = ACPI_TYPE_INTEGER; + p.Integer.Value = as[i].i; + mp.Count = 1; + mp.Pointer = &p; + b.Length = ACPI_ALLOCATE_BUFFER; + ACPI_SERIAL_BEGIN(aibs); + rs = AcpiEvaluateObjectTyped(sc->sc_ah, name, &mp, &b, + ACPI_TYPE_INTEGER); + if (ACPI_FAILURE(rs)) { + ddevice_printf(sc->sc_dev, + "%s: %i: evaluation failed\n", + name, i); + ACPI_SERIAL_END(aibs); + return EIO; + } + bp = b.Pointer; + v = bp->Integer.Value; + AcpiOsFree(b.Pointer); + ACPI_SERIAL_END(aibs); + + switch (st) { + case AIBS_VOLT: + break; + case AIBS_TEMP: + v += 2732; + l += 2732; + h += 2732; + break; + case AIBS_FAN: + break; + } + so[0] = v; + so[1] = l; + so[2] = h; + return sysctl_handle_opaque(oidp, &so, sizeof(so), req); +} |